SEARCH Articles Figures Tables Core potential Core-valence Core-valence effects Effective Core Potential Effective Core Potentials and Valence Basis Sets Effective core potentials valence space Effective core potentiate Gaussian Form of Effective Core Potentials and Valence Basis Sets in Periodic LCAO Calculations Nonrelativistic Effective Core Potentials and Valence Basis Sets Relativistic Effective Core Potentials and Valence Basis Sets